function normalizeUrl(url) {
  return url ? String(url) : ''
}

function isSinglePageH5Target(url) {
  // #ifdef H5
  const routes = typeof window !== 'undefined' ? window.__uniRoutes : null
  const target = normalizeUrl(url).replace(/^\//, '')
  if (Array.isArray(routes) && routes.length <= 1) {
    const current = (routes[0] && routes[0].path) || ''
    return target && target !== current
  }
  // #endif
  return false
}

export function routeTo(url, type = 'navigateTo') {
  const targetUrl = normalizeUrl(url)
  if (!targetUrl) {
    return
  }

  if (isSinglePageH5Target(targetUrl)) {
    uni.showToast({
      title: '请停止后重新运行项目',
      icon: 'none'
    })
    return
  }

  const navigate = uni[type] || uni.navigateTo
  try {
    navigate({
      url: targetUrl,
      fail() {
        uni.showToast({
          title: '页面未注册，请重新运行项目',
          icon: 'none'
        })
      }
    })
  } catch (error) {
    uni.showToast({
      title: '页面未注册，请重新运行项目',
      icon: 'none'
    })
  }
}

export function backOrHome(homeUrl = '/pages/workbench/index') {
  const pages = typeof getCurrentPages === 'function' ? getCurrentPages() : []
  if (pages.length > 1) {
    uni.navigateBack()
    return
  }
  routeTo(homeUrl, 'reLaunch')
}